Joystick



FIG. 1 is a left side elevational view of a joystick showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear side elevational view thereof;

FIG. 4 is a rear left perspective view thereof; and,

FIG. 5 is a rear right perspective view thereof.

The broken lines indicate environment and forms no part of the claimed design. 

CLAIM I claim the ornamental design for joystick, as shown and described. 